CN220672821U - Battery liquid filling device - Google Patents

Abstract

The utility model relates to a battery liquid filling device in the technical field, which comprises a quantitative box body with a liquid inlet and an overflow port at the top, wherein a plurality of partition boards with communication holes at the top are arranged in the inner cavity of the quantitative box body along the length direction of the quantitative box body, the partition boards divide the inner cavity of the quantitative box body into a plurality of quantitative chambers, the bottom of each quantitative chamber is provided with a liquid discharge hole, and the quantitative box body further comprises a plugging component capable of opening and closing the liquid discharge hole. Due to the arrangement of the plugging assembly, when the pump is closed, the liquid discharge hole is still in a plugged state, and the problem of leakage cannot occur, so that the technical problem of electrolyte leakage caused by the fact that the hydraulic pump is required to continue to operate when a battery to be filled is not in place in the prior art is solved.

Description

Battery liquid filling device

Technical Field

The utility model relates to the technical field, in particular to a battery liquid filling device.

Background

In the production process of the battery, electrolyte needs to be poured, the pouring amount of the electrolyte is related to the capacity of the battery, and if the pouring is uneven, when the battery is used together, the battery with small pouring amount can consume electricity to influence the total voltage, and when the battery with small pouring amount is charged, the charging is finished first, so that the overcharge phenomenon is caused.

At present, the current China patent with the publication number of CN211556059U discloses a quantitative filling device for battery electrolyte, which basically does not adopt electronic equipment, saves the manufacturing cost, but has at least one of the following defects: 1. because the battery is provided with a plurality of electrolyte chambers, a plurality of devices are needed to be used jointly when the battery is filled, and before filling, the rubber blocks in the ith device are in a blocking state on the liquid leakage holes and the filling openings, and part of electrolyte is needed to be pressed into the quantitative chambers in the ith device by the movement of the rubber blocks in the (i+1) th device, so that the sequence exists when the ith device and the (i+1) th device start filling, and further the filling efficiency is affected; 2. after the hydraulic pump is closed, the rubber block can move, and the liquid leakage hole and the filling hole are opened, so that the device is required to have higher coordination with the transmission of the battery to be filled, otherwise, the situation of excessive operation of the hydraulic pump is easy to occur; specifically, when electrolyte is stored in the quantitative cavities in all the devices, the battery to be filled is not in place at the moment, and the hydraulic pump is required to continue to operate at the moment, otherwise, the liquid leakage holes and the filling holes can be opened, so that the electrolyte leaks.

Disclosure of Invention

The present utility model has been made to solve the above-mentioned problems, and an object of the present utility model is to provide a battery liquid filling device.

The utility model realizes the above purpose through the following technical scheme:

the battery liquid filling device comprises a quantitative box body with a liquid inlet and an overflow port at the top, wherein a plurality of partition plates with communication holes at the top are arranged in the inner cavity of the quantitative box body along the length direction of the quantitative box body, the partition plates divide the inner cavity of the quantitative box body into a plurality of quantitative chambers, the bottom of each quantitative chamber is provided with a liquid discharge hole, and the quantitative box body further comprises a plugging assembly capable of opening and closing the liquid discharge holes;

the plugging assembly comprises a filling pipe which penetrates through the liquid discharge hole in a matching mode, the upper port of the filling pipe is connected with a sealing cover capable of plugging the upper port of the liquid discharge hole in a sealing mode, a through hole is formed in the position, corresponding to the cavity of the liquid discharge hole, of the filling pipe body, and a convex ring is arranged at the position, located below the quantitative box body, of the filling pipe body at intervals;

the quantitative box body lifting device is characterized by further comprising driving equipment for driving the quantitative box body to lift.

Preferably, the upper section of the liquid discharge hole cavity is a conical cavity, and the sealing cover is of a conical structure matched with the upper section of the liquid discharge hole cavity.

Preferably, the pouring pipe body is provided with a compression spring corresponding to the matching position between the quantitative box body and the convex ring.

Preferably, the lower port of the liquid discharge hole is connected with an extension pipe matched with the liquid discharge hole in a sealing way, and the extension pipe is sleeved on the pipe body of the perfusion pipe in a matching way.

Preferably, the pouring tube body is provided with a plurality of through holes along the circumferential uniform spacing ring.

Preferably, the top of the quantifying chamber is provided with a vent hole;

the sealing piece capable of opening and closing the vent hole is also included.

Preferably, the cross-sectional dimension of the vent is no greater than the top surface dimension of the closure.

Preferably, the vent hole and the liquid discharge hole are coaxially arranged, a vertical connecting rod is arranged between the sealing cover and the plugging piece, and the diameter of the connecting rod is smaller than that of the vent hole.

Preferably, the upper section of the vent hole cavity is a conical cavity, and the blocking piece is a conical structure matched with the upper section of the vent hole cavity.

Preferably, the quantitative box body cavity is provided with a plurality of partition boards with communication holes at the tops along the length direction, the partition boards divide the quantitative box body cavity into a plurality of quantitative chambers, and the bottom of each quantitative chamber is provided with the liquid discharge hole.

The beneficial effects are that:

1. due to the arrangement of the plugging assembly, when the pump is closed, the liquid drain hole is still in a plugged state, so that the problem of leakage does not occur, and the technical problem of electrolyte leakage caused by the fact that when a battery to be filled is not in place, the hydraulic pump is required to continue to operate, otherwise, the liquid drain hole and the filling hole are opened is solved;

2. due to the arrangement of the plugging assembly, when the quantitative box body descends to a proper position, all liquid discharge holes are simultaneously opened, the function of simultaneously starting filling is realized, and the technical problem that the filling efficiency is affected due to the sequential order when filling is started in the prior art is solved.

Additional features and advantages of the utility model will be set forth in the description which follows, or may be learned by practice of the utility model.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a right side view of the present utility model;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is an enlarged partial cross-sectional view of I in FIG. 3;

fig. 5 is a flow chart of the utility model in use.

The reference numerals are explained as follows:

1. a quantitative box body; 11. a dosing chamber; 12. a liquid discharge hole; 13. a vent hole; 2. a plugging assembly; 21. a perfusion tube; 211. a through hole; 22. a cover; 23. a convex ring; 24. a compression spring; 3. a driving device; 4. an extension tube; 5. a blocking member; 6. a connecting rod; 7. a partition board.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and for simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the present utility model, unless expressly stated or limited otherwise, a first feature may include first and second features directly contacting each other, either above or below a second feature, or through additional features contacting each other, rather than directly contacting each other. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.

1-5, a battery liquid filling device comprises a quantitative box body 1 with a liquid inlet and an overflow port at the top, wherein the liquid inlet and the overflow port are respectively positioned at two ends of the top of the quantitative box body 1 according to requirements; the inner cavity of the quantitative box body 1 is provided with a quantitative chamber 11, the bottom of the quantitative chamber 11 is provided with a liquid discharge hole 12, and the quantitative box body also comprises a plugging component 2 capable of opening and closing the liquid discharge hole 12;

the plugging assembly 2 comprises a filling pipe 21 which penetrates through the liquid discharge hole 12 in a matching way, wherein the pipe body of the filling pipe 21 is in sealing fit with the liquid discharge hole 12, that is, electrolyte cannot flow between the hole wall of the liquid discharge hole 12 and the filling pipe 21; the upper port of the filling pipe 21 is connected with a sealing cover 22 capable of sealing the upper port of the liquid discharge hole 12 in a sealing way, a through hole 211 is formed in the position, corresponding to the hole cavity of the liquid discharge hole 12, of the pipe body of the filling pipe 21, and a convex ring 23 is arranged in the position, located below the quantitative box body 1, of the pipe body of the filling pipe 21 at intervals;

the quantitative box body 1 is characterized by also comprising driving equipment 3 for driving the quantitative box body 1 to lift;

according to the needs, the driving device 3 can be lifting device or vertically arranged telescopic device, and the structure, installation and working principle of the driving device 3 are not described in detail herein because the driving device 3 is common device.

Before use, as shown in fig. 5, the liquid outlet end of the pump for pumping electrolyte in the liquid storage tank is correspondingly communicated with the liquid inlet, and the overflow port is connected with the overflow pipe, so that the overflowed electrolyte flows back to the liquid storage tank;

in order to improve the filling efficiency of the batteries, one or more batteries are filled at a time, a plurality of partition plates 7 with communication holes at the tops are arranged in the inner cavity of the quantitative box body 1 along the length direction of the partition plates, the partition plates 7 divide the inner cavity of the quantitative box body 1 into a plurality of quantitative chambers 11, and a liquid discharge hole 12 is arranged at the bottom of each quantitative chamber 11; specifically, the number of the dosing chambers 11 is an integer multiple of the number of electrolyte chambers in one cell.

In the present embodiment, the number of the dosing chambers 11 is the number of electrolyte chambers in one cell, i.e., the filling operation of one cell is completed at a time.

When in use, firstly, the electrolyte is pumped into the quantifying chambers 11 by the pump until all the quantifying chambers 11 are full of the electrolyte, and then the pump is closed; during filling, the filling pipe 21 is inserted into an electrolyte cavity of the battery by using the driving device 3, the convex ring 23 is abutted against the top surface of the battery at the moment, the filling pipe 21 drives the sealing cover 22 to ascend away from the liquid discharge hole 12 at the moment, the through hole 211 extends out of the liquid discharge hole 12, electrolyte in the quantitative chamber 11 enters the filling pipe 21 through the through hole 211 at the moment, then the filling operation of the battery is completed, the driving device 3 is reset, and the plugging assembly 2 is reset to complete the plugging operation of the liquid discharge hole 12.

When the pump is closed, the liquid drain hole 12 is still in a blocked state, so that the problem of leakage does not occur, and the technical problem of electrolyte leakage caused by the fact that when a battery to be filled is not in place, a hydraulic pump is required to continue to operate, otherwise, the liquid drain hole and the filling hole are opened is solved;

due to the arrangement of the plugging assembly 2, when the quantitative box body 1 descends to a proper position, all the liquid discharge holes 12 are simultaneously opened, so that the function of simultaneously starting filling is realized, and the technical problem that the filling efficiency is affected due to the sequence when filling is started in the prior art is solved.

Further, as shown in fig. 4, the upper section of the cavity of the liquid discharge hole 12 is a conical cavity, and the sealing cover 22 is a conical structure matched with the upper section of the cavity of the liquid discharge hole 12;

sealing rings are arranged at the positions where the sealing cover 22 is matched with the hole wall of the liquid discharge hole 12 according to the requirements.

Further, as shown in fig. 4, in order to improve the blocking effect of the sealing cover 22 on the drain hole 12, a compression spring 24 is sleeved on the pipe body of the filling pipe 21 corresponding to the position between the quantitative box body 1 and the convex ring 23;

this arrangement can apply force to the collar 23 by the compression spring 24, thereby increasing the compression force between the closure 22 and the wall of the drain hole 12.

Further, as shown in fig. 4, the lower port of the liquid discharge hole 12 is connected with an extension tube 4 matched with the liquid discharge hole in a sealing way, and the extension tube 4 is sleeved on the tube body of the perfusion tube 21 in a matching way; the stability of pouring tube 21 lift is guaranteed to the setting like this, guarantees that pouring tube 21 is in vertical state all the time.

In this embodiment, the lower edge of the through hole 211 does not exceed the lower end of the extension tube 4.

Further, as shown in fig. 4, in order to ensure smoothness of pouring, the pouring tube 21 is provided with a plurality of through holes 211 uniformly spaced circumferentially around the tube body.

In some embodiments, as shown in fig. 3-4, to further ensure smoothness of perfusion; the top of the quantifying chamber 11 is provided with a vent hole 13;

also included is a closure 5 capable of opening and closing the vent hole 13.

In this embodiment, the cross-sectional dimension of the vent hole 13 is not greater than the top surface dimension of the cover 22;

further, as shown in fig. 3-4, the vent hole 13 is coaxially arranged with the drain hole 12, a vertical connecting rod 6 is arranged between the sealing cover 22 and the blocking piece 5, and the diameter of the connecting rod 6 is smaller than that of the vent hole 13.

Specifically, the cross-sectional dimension of the vent hole 13 is not greater than the difference between the top surface dimension of the cover 22 and the cross-sectional dimension of the connecting rod 6; the arrangement ensures that the extrusion force of electrolyte in the dosing chamber 11 to the sealing cover 22 is not smaller than the extrusion force to the sealing piece 5, so that the sealing assembly 2, the sealing piece 5 and the connecting rod 6 cannot move upwards, and the situation that leakage cannot occur at the vent hole 13 is ensured.

When the filling pipe 21 moves upwards, the blocking piece 5 also moves upwards when the quantitative chamber 11 is filled, so that the liquid discharge hole 12 and the vent hole 13 are simultaneously opened, external gas smoothly enters the quantitative chamber 11, and the liquid discharge of the filling pipe 21 is ensured to be smooth.

Further, as shown in fig. 3-4, in order to increase the tightness between the blocking member 5 and the vent hole 13, the upper section of the cavity of the vent hole 13 is a tapered cavity, and the blocking member 5 is a tapered structure matching with the upper section of the cavity of the vent hole 13.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and their equivalents.

Claims (9)

1. The utility model provides a battery liquid filling device, includes quantitative box body (1) that the top has inlet and overflow mouth, quantitative box body (1) inner chamber is equipped with baffle (7) that a plurality of tops have the intercommunicating pore along its length direction, baffle (7) cut apart quantitative box body (1) inner chamber into a plurality of ration rooms (11), and every ration room (11) bottom all is equipped with flowing back hole (12), its characterized in that: the device also comprises a plugging component (2) capable of opening and closing the liquid discharge hole (12);

the plugging assembly (2) comprises a filling pipe (21) which penetrates through the liquid discharge hole (12) in a matching mode, a sealing cover (22) capable of plugging the upper port of the liquid discharge hole (12) is connected to the upper port of the filling pipe (21) in a sealing mode, through holes (211) are formed in the pipe body of the filling pipe (21) at positions corresponding to the hole cavities of the liquid discharge hole (12), and convex rings (23) are arranged at the positions, located below the quantitative box body (1), of the pipe body of the filling pipe (21) at intervals;

the quantitative box body (1) is driven to lift by the driving device (3).

2. The battery fluid filling device of claim 1, wherein: the upper section of the cavity of the liquid discharge hole (12) is a conical cavity, and the sealing cover (22) is of a conical structure matched with the upper section of the cavity of the liquid discharge hole (12).

3. The battery fluid filling device of claim 1, wherein: the tube body of the filling tube (21) is correspondingly provided with a compression spring (24) which is matched with the position between the quantitative box body (1) and the convex ring (23).

4. The battery fluid filling device of claim 1, wherein: the lower port of the liquid discharge hole (12) is connected with an extension pipe (4) matched with the liquid discharge hole in a sealing way, and the extension pipe (4) is sleeved on the pipe body of the perfusion pipe (21) in a matching way.

5. The battery fluid filling device of claim 1, wherein: the tube body of the pouring tube (21) is provided with a plurality of through holes (211) along the circumferential direction of the tube body at uniform intervals.

6. The battery fluid filling device of claim 1, wherein: the top of the quantifying chamber (11) is provided with a vent hole (13);

the utility model also comprises a plugging piece (5) which can open and close the vent hole (13).

7. The battery fluid filling device of claim 6, wherein: the cross-sectional dimension of the vent hole (13) is not larger than the top surface dimension of the cover (22).

8. The battery fluid filling apparatus of claim 7, wherein: the vent hole (13) and the liquid discharge hole (12) are coaxially arranged, a vertical connecting rod (6) is arranged between the sealing cover (22) and the plugging piece (5), and the diameter of the connecting rod (6) is smaller than that of the vent hole (13).

9. The battery fluid filling device of claim 6, wherein: the upper section of the cavity of the vent hole (13) is a conical cavity, and the blocking piece (5) is of a conical structure matched with the upper section of the cavity of the vent hole (13).